Thermosetting AESO-bacterial cellulose nanocomposite foams with tailored mechanical properties obtained by Pickering emulsion templating


This study reports on the development of nanocomposite foams, prepared by Pickering emulsion templating, with promising tailored-properties, simply tunable by their composition. The selected multi component monomer mixtures comprise acrylated epoxidized soybean oil (AESO), 1,6-hexanediol diacrylate (HDD) and divinylbenzene (DVB), chosen by their renewable-origin or resemblance to renewable ones, and above all due to their varying stiffness or crosslinking-ability. The Pickering water in -oil emulsions, after their fast stabilization using cyclohexane and acetylated bacterial cellulose, were used as templates for the polymeric foams production. These original materials were thermally stable up to approximately 320 degrees C, and had a Young's modulus varying between 3.41 and 1639 MPa, being the highest results prompted by the use of HDD or DVB. (C) 2017 Elsevier Ltd. All rights reserved.



subject category

Polymer Science


Sousa, AF; Ferreira, S; Lopez, A; Borges, I; Pinto, RJB; Silvestre, AJD; Freire, CSR

our authors


The authors wish to thank FCT (Fundacao para a Ciencia e Tecnologia) and POPH/FSE for the postdoctoral grant to AFS (SFRH/BPD/73383/2010) and RJBP (SFRH/BPD/89982/2012), and research grant to CSRF (IF/01407/2012) under the program Investigador FCT 2012. This work was developed within the scope of the project CICECO-Aveiro Institute of Materials (Ref. FCT UID/CTM/50011/2013), financed by national funds through the FCT/MEC and when appropriate co-financed by FEDER under the PT2020 Partnership Agreement.

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